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51541017201S1 Cylinder Head for MAN Air Brake Compressors

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51541017201S1 MAN Compatible Compressor Cylinder Head

12 11 50

Summary

High-strength cylinder head designed for MAN air brake compressors. This essential component seals the compression chamber and manages internal air passages to ensure reliable pneumatic performance in heavy commercial vehicles. Equivalent to OE MAN 51541017201S1.

Product identifiers
EAN Code8699031021188
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Compatible OEM Codes

  • KNORR-BREMSE
    • LP3943 S1
    • LP3940 S1
    • LP3934 S1
    • LP3928 S1
    • LP3830 S1
    • LK3832 S1
    • LK3826 S1
    • LK3809 S1
    • LK3808 S1
    • LK3806 S1
    • LK3805 S1
    • LK3802 S1
  • MAN
    • 51.54101-7204 S1
    • 51.54101-7201 S1
    • 51.54101-7195 S1
    • 51.54101-7189 S1
    • 51.54101-7150 S1

Description

What does a compressor cylinder head do?

This compressor cylinder head is a critical service component that sits atop the air brake compressor cylinder block to seal the compression chamber from above. It functions as the top cover, housing the inlet and discharge valve seats, internal air passages, and cooling cavities. By maintaining a precise seal, this part directly governs both the air output and the operating temperature of the compressor.

Compatibility with MAN vehicles

Designed specifically for MAN trucks, this component ensures reliable operation within the pneumatic braking system. It is engineered to withstand high-pressure cycles and thermal stress encountered during heavy-duty service. Check the compatibility list to ensure correct fitment for your specific compressor architecture.

Installation and maintenance guidance

When replacing this component, technicians should inspect the valve plates and gaskets to ensure a complete seal. Proper installation of the cylinder head is vital for maintaining consistent air pressure levels across the braking system and preventing leaks that could compromise vehicle safety.

OE cross-reference

12 11 50 (Compressor Cylinder Head) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51541017201S1.

Other OEMs

KNORR-BREMSE

  • LP3943 S1
  • LP3940 S1
  • LP3934 S1
  • LP3928 S1
  • LP3830 S1
  • LK3832 S1
  • LK3826 S1
  • LK3809 S1
  • LK3808 S1
  • LK3806 S1
  • LK3805 S1
  • LK3802 S1

MAN

  • 51541017204S1
  • 51541017201S1
  • 51541017195S1
  • 51541017189S1
  • 51541017150S1
  • 51.54101-7204 S1
  • 51.54101-7201 S1
  • 51.54101-7195 S1
  • 51.54101-7189 S1
  • 51.54101-7150 S1

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MAN

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the compression chamber from above and contains the valve seats and air passages required for air production.
Which vehicle brands is this part compatible with?
This specific component is designed for use in MAN heavy commercial vehicles.
Can this part be used to rebuild an existing compressor?
Yes, this component allows a workshop technician to rebuild a compressor in place rather than replacing the entire unit.
What are common signs of a faulty cylinder head?
Symptoms may include loss of air pressure, visible leaks around the top cover, or abnormal operating temperatures.
What are the OE reference numbers of this part?
12 11 50 directly replaces MAN OE number 51541017201S1.